Tender For Maintenance Of Various Colonies Under South Zone Sh- Cleaning Of Ugr And Overhead Tank And Cleaning/Desilting Of Sewer Lines And Manhole Etc.At Dda Housing, Pocket-E1 At Mehrauli- Mahipalpur Road Near Sultangarhi Tomb, Vasant Kunj, New Delhi-11, Kalkaji-Delhi
TDR : 54298897
Tender Notice
BOQ
4 Days Left
Kalkaji
Delhi
Tender For Maintenance Of Various Colonies Under South Zone Sh- Cleaning Of Ugr And Overhead Tank And Cleaning/Desilting Of Sewer Lines And Manhole Etc.At Dda Housing, Pocket-E1 At Mehrauli- Mahipalpur Road Near Sultangarhi Tomb, Vasant Kunj, New Delhi-11
Name of Work:M/o various colonies under South Zone. Sub Head : Cleaning of UGR and overhead tank and cleaning/desilting of sewer lines and manhole etc. at DDA housing pocket E1 at Mehrauli- Mahipalpur road near Sultangarhi Tomb, Vasant Kunj, New Delhi-110070
Sl. No.
Item Description
1
Cleaning of under ground sump, Over Head R.C.C. Tank ( independent staging) including disposal of slit and rubbish, all as per direction of Engineer-in-Charge. The cleaning shall consist following operations:-(i)Tank shall be emptied of water by pumping & bottom shall be cleaned of nsilt and other deposits.(ii) Entire surface area of the sump shall then scrubbed thoroughly with wire brush etc. and pressure washed with water.(iii) Chlorination of RCC internal surface by liquid chlorine.(iv) The treated surface shall be dried using air jetting and all loose particles shall be removal from the surface.(v) Finally the surface shall be treated with ultraviolet radiation etc. as per direction of Engineer-in-Charge.
2
Cleaning of chocked sewer line by diesel running vehicle mountinghydraulic operated high pressure suction cum jetting sewer cleaningmachine fitted with pump having 4000 litres suction capacity and 6000litres water jetting tank capacity including skilled operator, supervisingengineer etc. for cleaning and partial desilting of manholes and dechockingof sewer lines. Dechocking and flushing of sewer line from one manholeto another by high pressure jetting system of 2200 PSI for sewer line from150 mm dia upto 300 mm
3
Cleaning and desilting of gully trap chamber, including removal of rubbish mixed with earth etc. and disposal of same, all as per the direction of Engineer-in-charge.
4
Supplying and fixing C.I. cover 300x300 mm without frame for gully trap (standard pattern) the weight of cover to be not less than 4.5 kg
5
Providing and fixing in position pre-cast R.C.C. manhole cover and frameof required shape and approved quality HD – 35 19.19.4.1 Circular shape 560 mm internal dia
6
Cleaning of terrace/loft water storage tank (inside surface area) upto 2000 litre capacity at all heights with coconut brushes, duster etc., removal of silt rubbish from the tank and cleaning the tank with fresh water disinfecting with bleaching powder @ 0.5gm per litre capacity of tank including marking the date of cleaning on the side of tank body with the help of stencil and paint and disposing of malba all complete as per direction of Engineer-in-Charge. (The old date already written on tank should be removed with paint remover or black paint and if date is not written with the stencil or old date is not removed deduction will be made @ Rs. 0.10 per litre) (if during cleaning any GI fittings or ball cock is damaged that is to be repaired by Cleaning of terrace/loft water storage tank (inside surface area) upto 2000 litre capacity at all heights with coconut brushes, duster etc., removal of silt,rubbish from the tank and cleaning the tank with fresh water disinfecting with bleaching powder @ 0.5gm per litre capacity of tank including marking the date of cleaning on the side of tank body with the help of stencil andpaint and disposing of malba all complete as per direction of Engineerin-Charge. (The old date already written on tank should be removed with paint remover or black paint and if date is not written with the stencil or old date is not removed deduction will be made @ Rs. 0.10 per litre) (if during cleaning any GI fittings or ball cock is damaged that is to be repaired by contractor at his own cost and nothing extra will be paid on this account
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